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2805152393 is a prime number
BaseRepresentation
bin1010011100110011…
…0011101010001001
321020111101111200002
42213030303222021
521221104334033
61142204052345
7126341254601
oct24714635211
97214344602
102805152393
11120a48756a
126635340b5
133592124b4
141c87a5c01
151164063e8
hexa7333a89

2805152393 has 2 divisors, whose sum is σ = 2805152394. Its totient is φ = 2805152392.

The previous prime is 2805152351. The next prime is 2805152417. The reversal of 2805152393 is 3932515082.

2805152393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2137860169 + 667292224 = 46237^2 + 25832^2 .

It is a cyclic number.

It is not a de Polignac number, because 2805152393 - 220 = 2804103817 is a prime.

It is not a weakly prime, because it can be changed into another prime (2805152323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1402576196 + 1402576197.

It is an arithmetic number, because the mean of its divisors is an integer number (1402576197).

Almost surely, 22805152393 is an apocalyptic number.

It is an amenable number.

2805152393 is a deficient number, since it is larger than the sum of its proper divisors (1).

2805152393 is an equidigital number, since it uses as much as digits as its factorization.

2805152393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 2805152393 is about 52963.6893824439. The cubic root of 2805152393 is about 1410.3237512531.

The spelling of 2805152393 in words is "two billion, eight hundred five million, one hundred fifty-two thousand, three hundred ninety-three".